Higher Physics Relationships Cheat Sheet
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1Relationships
r equired
f or
H igher
P hysics
( revised)
V
= 2V
E
= QV
d = v t
peak
rms
W
I
= 2I
2
s = v t
E = mc
peak
rms
€
€
€
E = hf
Q = It
v = u + at
€
€
€
1
2
s = ut +
at
E
= hf − hf
V = IR
2
K
0
€
€
€
2
V
2
P = IV = I
R =
E
− E
= hf
2
2
v
= u
+ 2as
2
1
R
€
€
1
€
1
T =
(
)
s =
u + v
t
R
= R
+ R
+ ....
f
2
T
1
2
€
€
1
1
1
€
W = mg
+ ....
=
+
v = f λ
R
R
R
T
1
2
€
€
€
d sin θ = m λ
F = ma
E = V + Ir
€
€
⎛
⎞
sin θ
R
€
1
n =
1
V
⎟ V
=
⎜
E
= Fd
1
S
sin θ
R
+ R
W
⎝
⎠
2
1
2
€
€
€
sin θ
v
V
R
λ
1
1
1
1
1
=
=
=
E
= mgh
sin θ
v
V
R
λ
P
2
2
2
2
2
€
€
1
1
Q
€
2
sin θ
C =
E
mv
=
=
c
K
2
n
V
€
2
E
k
€
€
1
1
1
Q
P =
I =
2
E =
QV =
CV
=
2
t
d
2
2
2
C
€
€
€
P
I =
p = mv
A
⎛
⎞
1
€
€
€
path difference = m λ or
m +
⎟ λ where m = 0, 1, 2...
⎜
Ft = mv − mu
⎝
2
⎠
€
m
m
€
max. value - min. value
1
2
F = G
random uncertainty =
2
r
number of values
€
t
€
ʹ′ t =
2
( )
1 − v c
€
€
2
( )
ʹ′ l = l 1 − v c
⎛
⎞
v
€
f
= f
⎜
⎟
o
s
v ± v
⎝
⎠
s
€
λ
− λ
observed
rest
z =
λ
rest
v
€
z =
c
€
v = H
d
0
€
Relationships
r equired
f or
H igher
P hysics
October
2 010
€
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